  // Additional JS functions here
  window.fbAsyncInit = function() {
    FB.init({
      appId      : '395207437230562', // App ID
      channelUrl : 'assets/channel.html', // Channel File
      status     : true, // check login status
      cookie     : true, // enable cookies to allow the server to access the session
      xfbml      : true  // parse XFBML
    });

    // Additional init code here
    FB.getLoginStatus(function(response) {
    	  if (response.status === 'connected') {
    	    // connected
    		testAPI();
    	  } else if (response.status === 'not_authorized') {
    	    // not_authorized
    		login();
    	  } else {
    	    // not_logged_in
    		login();
    	  }
    	 });
    
  };

  // Load the SDK Asynchronously
  (function(d){
     var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
     if (d.getElementById(id)) {return;}
     js = d.createElement('script'); js.id = id; js.async = true;
     js.src = "//connect.facebook.net/en_US/all.js";
     ref.parentNode.insertBefore(js, ref);
   }(document));
  
  // prompt the correct login
  function login() {
	    FB.login(function(response) {
	        if (response.authResponse) {
	            // connected
	        } else {
	            // cancelled
	        }
	    });
	}
  
  // test API function
  function testAPI() {
	    console.log('Welcome!  Fetching your information.... ');
	    FB.api('/me', function(response) {
	        console.log('Good to see you, ' + response.name + '.');
	        
	    });
	}
